Dr Cara Mac Mullin BSc ND

Dr Cara Mac Mullin BSc ND Contact information, map and directions, contact form, opening hours, services, ratings, photos, videos and announcements from Dr Cara Mac Mullin BSc ND, Health & Wellness Website, Peterborough, ON.

Naturopathic Doctor passionate about working with women to empower them to gain control, connect with themselves, achieve clarity, and reach a state calm with their hormones, health, and well-being.

04/30/2026

Weight loss resistance isn't always about willpower. Sometimes…it's your gut.

If you're doing everything right, eating well, exercising, staying consistent and the scale still won't budge, it might not be a calorie problem.

It might be a microbiome problem.

Your gut bacteria play a direct role in:
→ How your body extracts and uses energy from food
→ Hunger and fullness signals like GLP-1 and Ghrelin
→ Blood sugar regulation
→ Whether your body favors fat storage or fat burning

Your gut talks to your brain influencing eating behaviours and cravings

When the microbiome is disrupted, metabolism follows. Inflammation rises. Hormone signaling gets thrown off. The body shifts into a protective, fat-storing state and stays there, even when you're doing "all the right things."

What makes this especially frustrating? It becomes self-reinforcing. The more disrupted the gut, the harder fat loss becomes, regardless of effort or restriction.

More restriction isn't the answer.

The missing piece is often gut health itself:
→ Restoring microbial balance
→ Supporting the gut barrier
→ Reducing chronic immune activation and inflammation

Fat loss becomes easier when the body feels safe enough to let it go. That's the part most programs miss. We don't just treat the symptom, we treat the individual terrain.

If this sounds like you, this is exactly what we work on together. Link in bio to book a consultation.

04/23/2026

Meet Your Microbiome Webinar Postponed

I’ve been dealing with an ongoing viral illness and, while I was hoping to push through, I know this is content that deserves my full energy, clarity, and presence. Rather than show up at anything less than 100%, I’m choosing to take my own advice, prioritizing rest and proper recovery.

Thank you for your understanding and patience. I’m looking forward to delivering this in a way that truly does the topic justice.

New date: Saturday, May 23rd at 9:30 AM

Stay tuned for any additional details 🤍

Big milestone 🎉I’m officially a certified Microbiome Clinical Science Practitioner - MCS-P through The Biome Learning Ce...
04/16/2026

Big milestone 🎉

I’m officially a certified Microbiome Clinical Science Practitioner - MCS-P through The Biome Learning Centre and proud to be one of the first practitioners in Canada to complete this training.

This was part of the inaugural cohort of graduate-level education focused on the latest in microbiome science and a truly clinical, microbiome-centered framework for navigating complex cases. From all aspects of digestive health and immune system function, to metabolism, mood and the gut-brain axis - we covered it all!

Since October, this journey has included nearly 80 lessons, 25 guest expert training, and a comprehensive final exam, all centered around one of the most exciting and rapidly evolving areas in health.

The microbiome isn’t just a trend, it’s foundational to how we understand chronic and complex conditions and building resiliency for long lasting health and longevity. I’m excited to bring this deeper level of insight into my work and continue supporting patients with terrain first, root-cause approach.

Living with IBS? You're not alone, and you're not "making it up." April is IBS Awareness Month, and I want you to know t...
04/13/2026

Living with IBS? You're not alone, and you're not "making it up."

April is IBS Awareness Month, and I want you to know that your symptoms, the bloating, pain, food anxiety, and fatigue, are real and valid.

IBS isn't just a digestive issue. It's a complex condition that involves your gut microbiome, nervous system, and gut-brain connection.

That's why cookie-cutter approaches often fall short.

In my practice, we dig deeper to find YOUR root causes, whether that's SIBO, microbiome imbalances, nervous system dysregulation, or other underlying factors.

You don't have to live with constant digestive distress. There are answers, and there is hope.

Have you been told your symptoms are "just IBS" without getting real answers? Share your experience below, you're not alone.

Ready to get to the root of your digestive issues? Link in bio to book a consultation.

04/09/2026

Your Initial visit is different from what you're used to and being prepared helps us make the most of our time together!

We'll dive deep into your health history, symptoms, and goals. The more information you bring, the clearer picture we can get of what's happening in your body.

Don't stress if you don't have everything, we'll work with what you have and can always request records later.

What questions do you have about your upcoming visit? Drop them below!

Ready to book your consult Link in bio.

Wishing you a peaceful and restorative Easter! Easter represents renewal, rebirth, and new beginnings, themes that reson...
04/05/2026

Wishing you a peaceful and restorative Easter!

Easter represents renewal, rebirth, and new beginnings, themes that resonate deeply with the healing journey. Just as nature awakens in spring, our bodies have an incredible capacity for regeneration and growth.

As you gather with family and friends, remember that connection, joy, and rest are a powerful medicine. These moments of gratitude and togetherness support not just our emotional wellbeing, but our physical health too.

The missing piece in ADHD diagnosis that no one talks about Most kids and adults get diagnosed without anyone checking t...
04/02/2026

The missing piece in ADHD diagnosis that no one talks about

Most kids and adults get diagnosed without anyone checking their iron status.

Here's what the research shows and what you need to know

Poor sleep and emotional dysregulation are among the most common, and most overlooked, presentations of low ferritin in kids and adults with ADHD.

They aren't just ADHD symptoms. They may be downstream consequences of an iron-depleted brain.

6 out of 6 treatment studies, including 2 RCTs, showed iron supplementation improved ADHD symptoms in iron-deficient children. One RCT found adding iron to methylphenidate produced significantly greater improvement than medication alone.

The cognitive effects of iron deficiency in infancy were largely mediated through ADHD behaviors at ages 5, 10, and 16. This isn't just correlation, it may be causation.

If this sounds like you or your child, and you're looking for comprehensive care that addresses root causes, not just symptoms, book a consultation. Link in bio.

Save this if you or someone you love has ADHD.

If you've ever been dismissed or told "it's all in your head" this is for you. Your symptoms matter. Your experience mat...
03/30/2026

If you've ever been dismissed or told "it's all in your head" this is for you.

Your symptoms matter. Your experience matters. You matter.

Just because standard testing doesn't show a problem doesn't mean there isn't one. You deserve a provider who listens and investigates thoroughly.

Drop a HEART below if you needed to hear this today.

Ready to work with someone who takes your symptoms seriously?

Book a complimentary alignment call today

03/26/2026

One of the most fascinating areas of endometriosis research right now is something called the estrobolome. The estrobolome refers to a collection of gut bacteria that regulate how estrogen is metabolized and recycled in the body.

Here's how it works:
When the liver processes estrogen, it sends it to the gut for elimination. But certain gut bacteria produce enzymes (like β-glucuronidase) that can reactivate estrogen, allowing it to be reabsorbed back into circulation. This means your gut microbes can influence how much estrogen your body is exposed to.

In endometriosis, studies suggest that:

The estrobolome becomes dysregulated
β-glucuronidase activity increases
Estrogen re-circulation increases
Higher estrogen levels can stimulate endometriotic lesion growth
This creates a self-perpetuating cycle:

Hormonal imbalance → gut dysbiosis → altered estrogen metabolism → more inflammation → worsening disease.

This is why supporting gut health is also supporting hormone balance. Some strategies that may support a healthy estrobolome include:

Fibre-rich foods
Polyphenol-rich plants
Supporting beneficial bacteria
Reducing gut inflammation
The gut microbiome is rapidly becoming one of the most exciting frontiers in understanding hormone-driven conditions like endometriosis.

Your gut bacteria may be doing far more for your hormones than we once thought.

Book your consult today
Peterborough | Millbrook
Virtual care across Ontario
Link in bio

March is Endometriosis Awareness MonthEmerging research is revealing something important: endometriosis isn't just a pel...
03/23/2026

March is Endometriosis Awareness Month

Emerging research is revealing something important: endometriosis isn't just a pelvic condition, it may also involve the gut microbiome. Studies show that women with endometriosis often have gut dysbiosis, including:
Lower levels of beneficial bacteria like Lactobacillus and Bifidobacterium
Higher levels of inflammatory microbes like E. coli and Pseudomonas
Reduced production of anti-inflammatory short-chain fatty acids (like butyrate)

Why does this matter?
The gut microbiome influences several processes involved in endometriosis:

Inflammation – Dysbiotic bacteria release inflammatory compounds like LPS that can promote chronic inflammation.

Immune function – Gut imbalances may impair the immune system's ability to clear misplaced endometrial cells.

Gut barrier integrity – New research suggests bacterial translocation from the gut into the abdominal cavity may trigger immune responses that promote lesion development.

Estrogen metabolism – The gut microbiome plays a key role in regulating circulating estrogen (more on that tomorrow).

Because of this gut-pelvis connection, strategies that support the microbiome may be helpful alongside conventional treatment:

Anti-inflammatory diets
Targeted probiotics
Fibre and polyphenols
Gut barrier support
Endometriosis is complex and multifactorial, but understanding the gut-immune-hormone connection is opening new possibilities for treatment.

If you live with endometriosis, you deserve care that looks at the whole system, not just symptoms.

Book your consult today
Peterborough | Millbrook
Virtual care across Ontario
Link in bio

03/19/2026

Your gut isn’t just a collection of bacteria.
It’s an ecosystem.

Many gut health strategies focus heavily on eliminating microbes, but dysbiosis is often about missing species, not just overgrowth.

Loss of microbiome diversity can lead to:
• Reduced metabolic output
• Impaired immune tolerance
• Gut barrier dysfunction
• Disrupted motility
• Reduced short-chain fatty acid production

You don’t rebuild an ecosystem by removing more species.

You rebuild it by supporting the terrain so beneficial microbes can grow and thrive.

This terrain-based approach is something I work through with patients when addressing gut dysfunction and microbiome imbalance.

If you’ve been struggling with digestive symptoms and want a more comprehensive approach to gut health, booking a 10 minute complimentary consult is a great place to start.

Save this for later
Share with someone interested in gut health
Book a consult to explore a personalised approach

ADHD symptoms don’t exist separately from hormones.During perimenopause, fluctuating estrogen and progesterone can signi...
03/16/2026

ADHD symptoms don’t exist separately from hormones.

During perimenopause, fluctuating estrogen and progesterone can significantly affect neurotransmitters like dopamine and serotonin, which drive focus, mood and motivation.

This is why many women suddenly experience:
• Increased ADHD symptoms
• Brain fog
• Emotional overwhelm
• Medication feeling less effective

When appropriate and personalised, hormone therapy may help support cognition, mood stability, and medication response.

The key is understanding that each person’s hormonal response is unique.

If this experience feels familiar, know that you’re not alone and there are ways to support your brain through this transition.

Save this for later
Share with someone who needs this
Book a 10 minute complimentary consult

Peterborough | Millbrook
Virtual care across Ontario
Link in bio


Address

Peterborough, ON
K9H1T6

Opening Hours

Wednesday 9:30am - 6:30pm
Friday 9:30am - 3pm

Telephone

+17057616596

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